CVE-2024-46713

perf/aux: Fix AUX buffer serialization

Description

In the Linux kernel, the following vulnerability has been resolved: perf/aux: Fix AUX buffer serialization Ole reported that event->mmap_mutex is strictly insufficient to serialize the AUX buffer, add a per RB mutex to fully serialize it. Note that in the lock order comment the perf_event::mmap_mutex order was already wrong, that is, it nesting under mmap_lock is not new with this patch.

N/A

CVSS

Severity:

EPSS 0.07%

Affected: Linux Linux

References

Link	Tags
https://git.kernel.org/stable/c/7882923f1cb88dc1a17f2bf0c81b1fc80d44db82
https://git.kernel.org/stable/c/52d13d224fdf1299c8b642807fa1ea14d693f5ff
https://git.kernel.org/stable/c/9dc7ad2b67772cfb94ceb3b0c9c4023c2463215d
https://git.kernel.org/stable/c/c4b69bee3f4ef76809288fe6827bc14d4ae788ef
https://git.kernel.org/stable/c/b9b6882e243b653d379abbeaa64a500182aba370
https://git.kernel.org/stable/c/2ab9d830262c132ab5db2f571003d80850d56b2a

Frequently Asked Questions

What is the severity of CVE-2024-46713?: CVE-2024-46713 has not yet been assigned a CVSS score.
How to fix CVE-2024-46713?: To fix CVE-2024-46713, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2024-46713 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2024-46713 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2024-46713?: CVE-2024-46713 affects Linux Linux, Linux Linux.

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